The invention relates to a poly[α-cyanoacrylate] hydrolyzate, a preparation method and an application thereof, belonging to the field of pharmaceutical and chemical industry. A main technical solution is as follows: provided is a poly[α-cyanoacrylate] hydrolyzate having a chemical formula: CH.sub.2—CRCOOH.sub.n, wherein R=—CN or —COOH. Poly[2-cyanoacrylic acid] provided by the present invention is dispersed in water to prepare the negatively charged microsphere, that is, to obtain the new blank embolic microsphere, the particle size of the microsphere can be adjusted in a micron-scale range, and the microsphere have a deformation function to pass through a vascular with a specific shape, which can tightly embolize the vascular to avoid ectopic embolism caused by falling off; poly[2-carboxyacrylic acid] can be used for preparing a new nano-drug carrier, improving the curative effect of the carried drug on diseased tissues and reduce the toxic and side effects of the carried drug on normal tissues.

The invention relates to a poly[α-cyanoacrylate] hydrolyzate, a preparation method and an application thereof, belonging to the field of pharmaceutical and chemical industry. A main technical solution is as follows: provided is a poly[α-cyanoacrylate] hydrolyzate having a chemical formula: CH.sub.2—CRCOOH.sub.n, wherein R=—CN or —COOH. Poly[2-cyanoacrylic acid] provided by the present invention is dispersed in water to prepare the negatively charged microsphere, that is, to obtain the new blank embolic microsphere, the particle size of the microsphere can be adjusted in a micron-scale range, and the microsphere have a deformation function to pass through a vascular with a specific shape, which can tightly embolize the vascular to avoid ectopic embolism caused by falling off; poly[2-carboxyacrylic acid] can be used for preparing a new nano-drug carrier, improving the curative effect of the carried drug on diseased tissues and reduce the toxic and side effects of the carried drug on normal tissues.

It is an object of the present invention to provide an electrode capable of maintaining superior capacity retention without destruction of an electrode structure, even in the case of using an active material including silicon. The present invention relates to a binder for a lithium cell, the binder comprising polyacrylic acid cross-liked by a cross-linking agent selected from the compounds described in the general formulae [1] to [13] and the polymer described in the general formula [14] (provided that the one which includes a functional group-containing vinylidene fluoride-based polymer is excluded); a composition for producing an electrode of a lithium cell, the composition comprising 1) an active material containing silicon, 2) a conductive assistant and 3) a cross-linked-type polyacrylic acid (provided that the one containing a functional group-containing vinylidene fluoride-based polymer is excluded); and an electrode for a lithium cell, the electrode comprising 1) an active material containing silicon, 2) a conductive assistant, 3) a cross-linked-type polyacrylic acid, and 4) a current collector (provided that the one containing a functional group-containing vinylidene fluoride-based polymer is excluded).

The invention relates to a resin mixture having a modified epoxy (meth)acrylate resin as the base resin, and optionally at least one reactive diluent, at least one stabilizer, and at least one accelerator, wherein the modified epoxy (meth)acrylate resin can be obtained by reacting organic compounds having epoxide groups with (meth)acrylic acid, and then by the partial esterification of the ?-hydroxyl-groups, the same formed during the reaction, with the anhydride of a saturated dicarboxylic acid, to reactive resin mortars containing the same, and to the use thereof for the purpose of chemical fastening, by means of which it is possible to manufacture products which are not subject to labeling requirements and which additionally provide high bond strength.

In accordance with the present invention, there are provided methods to improve the performance properties of thermoset polymer resins prepared by the activation of one or more reactive monomer(s) which is(are) initiated by way of a first reaction mechanism at a defined temperature (typically a temperature in the range of 40-200 C.). Exemplary performance properties which are improved by the invention methods include enhanced thermal stability, tensile strength (which is maintained in spite of exposure to elevated temperatures over extended periods of time), adhesive properties (which are substantially maintained in spite of exposure to elevated temperatures over extended periods of time), weight loss (which is minimized in spite of exposure to elevated temperatures over extended periods of time), dielectric strength (which is substantially maintained in spite of exposure to elevated temperatures over extended periods of time), and the like.

In accordance with the present invention, there are provided methods to improve the performance properties of thermoset polymer resins prepared by the activation of one or more reactive monomer(s) which is(are) initiated by way of a first reaction mechanism at a defined temperature (typically a temperature in the range of 40-200 C.). Exemplary performance properties which are improved by the invention methods include enhanced thermal stability, tensile strength (which is maintained in spite of exposure to elevated temperatures over extended periods of time), adhesive properties (which are substantially maintained in spite of exposure to elevated temperatures over extended periods of time), weight loss (which is minimized in spite of exposure to elevated temperatures over extended periods of time), dielectric strength (which is substantially maintained in spite of exposure to elevated temperatures over extended periods of time), and the like.

The present invention relates to a method for manufacturing an optical material comprising the following steps: i) mixing: A. at least one polymerizable component comprising at least one diallyl compound, B. at least one UV and/or HEV light-absorbing agent, C. at least one tetraazaporphyrin dye, D. at least one peroxydicarbonate esters as radical polymerization initiator, to obtain a polymerizable composition; ii) casting the polymerizable composition in at least one mould; iii) curing the polymerizable composition to obtain a solid polymerized molded element and extracting the solid polymerized molded element from the mould; iv) heat treating the solid polymerized molded element at a temperature within the range of from 50 degree C. to 150 degree C. to obtain the optical material.

The present invention relates to a method for manufacturing an optical material comprising the following steps: i) mixing: A. at least one polymerizable component comprising at least one diallyl compound, B. at least one UV and/or HEV light-absorbing agent, C. at least one tetraazaporphyrin dye, D. at least one peroxydicarbonate esters as radical polymerization initiator, to obtain a polymerizable composition; ii) casting the polymerizable composition in at least one mould; iii) curing the polymerizable composition to obtain a solid polymerized molded element and extracting the solid polymerized molded element from the mould; iv) heat treating the solid polymerized molded element at a temperature within the range of from 50 degree C. to 150 degree C. to obtain the optical material.